The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-486-1331, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Howmet Global Fastening Systems Inc (CAGE 15653); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-486-1331 |
| Primary Part Number | 92617-720 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 92617-720 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| H53777-7 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST2785-13 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| LH13587-7 | C/1 Advisory reference — outside the item-of-supply concept Esna, Llc |
| VN4761BB070 | 3/2 Design control — primary reference U.S. Government activity |
| LH13587-7 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-486-1331 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-486-1331 has 3 manufacturer part numbers on file: 92617-720 (Sps Technologies, Llc Dba PB Fasteners), H53777-7 (Howmet Global Fastening Systems Inc), ST2785-13 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.